.index{
    height: 100%;
    display: flex;
    position: relative;
    .left{
        background: #333;
        width: 30%;
        text-align: center;
        color: white;
        ul{
            li{
                height: 50px;
                line-height: 50px;
            }
            .active{
                color: white;
                background: tomato;
            }
        }
    }
    .right{
        width: 70%;
        position: relative;
        overflow: auto;
        .none{
            display: none;
        }
        
    }
    .bt{
        position: absolute;
        bottom: 0;
        background: pink;
    }
}
